Add 7/8 and 7/63
7/8 + 7/63 is 71/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
7/8 = 7 × 63/8 × 63 = 441/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504 - Add the two like fractions:
441/504 + 56/504 = 441 + 56/504 = 497/504 - 497/504 simplified gives 71/72
- So, 7/8 + 7/63 = 71/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+7/63 7/8+14/63 7/16+7/63 21/8+7/63 7/8+21/63 7/24+7/63 35/8+7/63 7/8+35/63 7/40+7/63 49/8+7/63 7/8+49/63 7/56+7/63